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Table 1 Clinicopathologic and molecular features of SSA/Ps showing a depressed surface

From: Sessile serrated adenoma/polyps with a depressed surface: a rare form of sessile serrated adenoma/polyp

Case Age (years) Sex Location Size (mm) Endoscopic findingsa Procedure Previous biopsy BRAF mutation
1 40 M Ascending colon 10 0-IIa + IIc, covered with mucus EMR - V600E
2 59 M Transverse colon 10 0-IIa + IIc, covered with mucus Polypectomy - V600E
3 50 M SD junction 8 0-Is + IIc EMR + V600E
4 65 M SD junction 13 0-Is + IIc, covered with mucus EMR + V600E
5 66 F Ascending colon 11 0-IIa + IIc, covered with mucus EMR + V600E
6 62 M Transverse colon 6 0-IIa + IIc, covered with mucus Polypectomy - Negative
7 59 M Splenic flexure 7 0-IIa + IIc, covered with mucus EMR - V600E
  1. F, female; M, male; SD, sigmoid-descending; EMR, endoscopic mucosal resection
  2. aParis classification [7]